CALCITONIN(1 32)
\kˈalsɪtˌɒnɪn wˈɒn θˈɜːtitˈuː], \kˈalsɪtˌɒnɪn wˈɒn θˈɜːtitˈuː], \k_ˈa_l_s_ɪ_t_ˌɒ_n_ɪ_n__ w_ˈɒ_n θ_ˈɜː_t_i_t_ˈuː]\
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A peptide hormone that lowers calcium concentration in the blood. In humans, it is released by thyroid cells and acts to decrease the formation and absorptive activity of osteoclasts. Its role in regulating plasma calcium is much greater in children and in certain diseases than in normal adults.
By DataStellar Co., Ltd
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.